Home / 14,497.50-19,856.64-13,646.39

Finding the Fourth Proportional to 14,497.50, 19,856.64 and 13,646.39

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Solution

The fourth proportional to 14,497.50, 19,856.64 and 13,646.39 is: 18,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.50 : 19,856.64 = 13,646.39 : x
  2. Step 2: Convert to fraction form
    14,497.50/19,856.64 = 13,646.39/x
  3. Step 3: Cross multiply
    14,497.50x = 19,856.64 × 13,646.39
  4. Step 4: Simplify right side
    14,497.50x = 270,971,453.53
  5. Step 5: Solve for x
    x = 270,971,453.53/14,497.50
  6. Step 6: Final answer
    x = 18,690.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.